Speciation Analysis of Arsenic Compounds by High-Performance Liquid Chromatography in Combination with Inductively Coupled Plasma Dynamic Reaction Cell Quadrupole Mass Spectrometry: Application for Vietnamese Rice Samples

Table 4

Short-term and long-term stability of retention times and peak areas.

No.	Analyte	Retention time			Peak area
		Mean value (min),	RSD of short-term (%),	RSD of long-term (%),	RSD of short-term (%),	RSD of long-term (%)
1	AsB	2.00	1.28	6.76	15.92	16.66
2	As(III)	3.54	3.02	3.36	14.28	14.57
3	DMA	5.10	1.99	2.80	11.29	12.65
4	MMA	10.53	0.13	0.15	2.86	4.19
5	As(V)	14.06	0.19	0.40	2.63	8.03